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I ended up having a spare hyper fighting C board 92631C-6, I modded it and sold it to @Coyo5050 .

Just did one for @Coyo5050 .

looks to me like an impedance mismatch, does the chassis have a jamma in and a vga in? remember one is gonna expect 3.5v video the other .7v .

Yup I am in Brooklyn New York.

I swapped out the 315-5744 from a spare non working Saturn board I had laying around but no luck. I am starting to believe someone plugged the jamma backwards and partly killed the other input custom 315-5649.

This board had a bunch of corrosion along the jamma edge. It was missing the color blue, I was able to fix it by patching the trace that leads to pin 13 of the jamma edge. It does have another issue though, the board test fine in the post but the sound does not work. Anytime a sound tries to pay...

Got a STV sent to me for black screen and stuck player 2 inputs, the thing was filthy so I gave it the usual bath and reflowing the SH2 got the game to boot fine. Now for the stuck inputs I am suspecting the custom 315-5649. Anyone know about his chip? View...

Yup

That's dope.

You play 3s there too?

You should he told me in a few weeks he will move it back to the record store.

Went to Pensilvannia yesterday to work on a versus city. Chassis 2 had runaway brightness issues, player 1 was functional but I decided to recap and reflow as well. I figured since I was there already I might as well. Some pictures of the issue and a link to the Twitter post of the repair job...

looks like partial collapse could be cracked solder or a failed passive component or cap.

This one was working until the owner was curious about the unused leg on the watchdog chip being up and soldered it back down, the board went on a reset loop. When he went to de-solder the leg and put it back up he unfortunately broke the pin. Unbeknownst to him this pad routed a trace from the...

Happy that I was able to find a resolution to this.

it's not only that a long time ago I was working on a 2930 with no blue, I had spare 2934 neckboard swapped it in and I had blue but no focus no matter what adjustment I made. I eventually found a blown resistor on the original neckboard and restored the missing blue color. I did learn that...

it's ultra bios standard but cd version of course.

I'll get a cheap audio probe on eBay thx.

I have a logic probe yea the sound effects play but like all the other audio it eventually drops off and comes back and drops off

I would not kind taking a shot at it but my backlog kinda long.